548 LXIV. CUCURBITACEEH (HOOKER). [ Oreosyce. 
17. OREOSYCE, Hook. f. 
Flowers monecious, subsolitary. Male: Calyx-tube cylindric- 
campanulate, hispid; teeth 5, subulate. Corolla rotate, tube short 
lobes oblong, obtuse. Stamens 3, peltately attached to the middle of 
the calyx-tube; filaments very short; anthers cohering, small, one 
2-celled, two 2-celled; cells straight, narrow, contiguous, obtuse ; con- 
nective not produced. Rudiment of ovary glandular. Female f 
Staminodes 8, short. Ovary fusiform, scabrid ; style columnar, i- 
serted in a cupular disk, stigma subcapitate, 3-lobed ; ovules numerous 
on 3 placentas. Fruit unknown.—A very slender hispid scandent 
herb. Leaves on slender petioles, ovate-cordate, obscurely 3—5-lobed 
and irregularly toothed, Tendrils slender, simple. Flowers small, 
yellow, on short pedicels. 
1. O. africana, Hook. f. Altogether hispid or subscabrid with 
short stiff white hairs. Stems climbing 10-12 ft., very slender, groove 
and angled. Leaves 2-8 in. long, bright green, rather membranous, 
narrowly ovate or triangular-cordate, basal sinus usually deep and 
rounded, lateral lobes short, acute, terminal produced, gradually hag 
ing to the very acute apex. Flowers densely hispid. Calyx-tube 42 
long. Corolla scarcely } in. diameter, young fruit ovoid, densely 
hispid, } in. long, on a stout decurved pedicel. 
ever Guinea. Fernando Po and Camaroons mountain, alt. 7000-8000 ft. 
ann 
Probably allied to Cucumis in most characters; but very distinct in the peltately 
sessile anthers, which have straight contiguous cells, and no produced connective 
18. CITRULLUS, Schrad.; Benth. et Hook. f. Gen. Plant. i. 826. 
Flowers all solitary; monecious. Male: Calyx-tube campanu- 
late ; lobes 5. Corolla campanulate, 5-lobed to below the middle, lobes 
obtuse. Filaments 3, very short, free, inserted within the tube; 
anthers slightly cohering, one 1-celled, two 2-celled; cells linear, 
flexuous, bordering the broad connective which is not produced beyon 
the cells. Rudiment of ovary gland-like. Female #1: Staminodes 
ligulate or setaceous. Ovary ovoid or globose ; style short, stuigms 
3-lobed; ovules numerous, on 3 placentas. Fruit globose, usué | 
hard, smooth. Seeds many, oblong, compressed, smooth.— Annis 
rarely perennial herbs, foetid or musky, rarely scandent. Leaves deeply 
lobed; lobes narrow. Tendrils usually 2_3-fid. Flowers shortly pe 
duncled, yellow, Fruit usually large. 
Leaves scabrid. Tendrils slender. Fruit intensely bitter . . 1. @: Colocynthis. 
Leaves not scabrid. Tendrils slender. Fruit sweet or slightly : 
bitter oe oe oe C. vulgar. 
Leaves very acabrid. Tendrils spinescent : S. C. Naudinianv4- 
1, ©. Colocynthis, Schrad. ; Naud. in Ann. Se. Nat. sér. 4, xil. « 
Root perennial. Stem angular, scabrid. Leaves triangular-ovate © 
outline, 2-4 in. long, 7-lobed, or 3-lobed with the middle lobe ov#” 
